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Creator
- United States. Army. Office of the Chief of Engineers 6
Region
- Celilo Falls (historical) >> Wasco County >> Oregon >> United States 6
- Columbia River >> Clatsop County >> Oregon >> United States 6
- Snake River >> British Columbia >> Canada 6
- Lewiston >> Nez Perce County >> Idaho >> United States 4
- Priest Rapids >> Kittitas County >> Washington >> United States 4
- The Dalles >> Wasco County >> Oregon >> United States 4
- Cowlitz River >> Cowlitz County >> Washington >> United States 3
- Pacific Ocean >> Earth 3
- Portland >> Clackamas County >> Oregon >> United States 3
- Puget Sound >> Kitsap County >> Washington >> United States 3
- more »
License
- Creative Commons: Public Domain Mark 1.0 6
Type
- Collection 3
- Text 3